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Germany invades Belgium, beginning World War I.
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German fires shells of chlorine gas, this is the first time large amounts of gas are used in battle. Almost collapsed the French-line but the Germans were unable to take advantage of the breach.
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A German submarine sinks the passenger liner Lusitania. The ship carries 1,198 people, 128 of them Americans.
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The British employ the first tanks ever used in battle, at Delville Wood.
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Germany sent Mexico an offer to join the war and they would give them the"lost provinces" of The US.
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Congress authorizes a declaration of war against Germany. The United States enters World War I on the side of France and Britain.
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Congress passes the Selective Service Act authorizing the draft. Although blamed for destroying democracy at in the US, while fighting for democracy abroad. President Wilson says he sees no other option and signs the bill into law.
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The Germany sign a peace treaty with Russia.
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An Armistice is signed ending fighting on the western front.
